Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture
Patent
1996-06-11
1998-02-17
Capossela, Ronald C.
Refrigeration
Cryogenic treatment of gas or gas mixture
Separation of gas mixture
62903, 196100, 202158, 2611122, F25J 300
Patent
active
057181276
ABSTRACT:
A liquid-vapour contact apparatus has pairs of vertical outer walls disposed in the manner of the vertical faces of a cuboid. The apparatus includes a plurality of spaced, parallel, vertical plates. Between each pair of adjacent plates there is a packing comprising a vertical array of corrugated liquid-vapour contact elements of the type that are used in the assembly of structured packing, and having the apexes of the elements in fluid tight engagement with the respective plates. The corrugations in each element slope from top to bottom in a direction opposed to that in which the corrugations in contiguous elements slope. The two outermost walls form the walls of the apparatus. The other walls comprise alternate edge portions of plates and of spacer bars. Liquid is distributed appreciably evenly between the passages formed by adjacent vertical plates at the top of the apparatus and flows over the elements and effectively vertically downwards. Vapour is distributed appreciably evenly between the passages formed by adjacent vertical plates at the bottom of the apparatus and flows effectively vertically up through the elements making intimate contact with the vapour. The apparatus may according to the description be manufactured by vacuum brazing in the manner of a matrix heat exchanger.
REFERENCES:
patent: 4486210 (1984-12-01), Gauthier
patent: 4599097 (1986-07-01), Petit et al.
patent: 4606745 (1986-08-01), Fujita
patent: 4950430 (1990-08-01), Chen et al.
patent: 5316628 (1994-05-01), Collin et al.
Capossela Ronald C.
Pace Salvatore P.
Rosenblum David M.
The BOC Group plc
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